Drug interactions
Eplerenone + Idelalisib
Severity: Contraindicated
Eplerenone and Idelalisib: contraindicated interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Idelalisib is a strong CYP3A inhibitor and is expected to substantially raise eplerenone levels. This increases the risk of severe hyperkalemia, and strong CYP3A4 inhibitors are contraindicated with eplerenone.
What this interaction means in plain words
Eplerenone and Idelalisib are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.
Eplerenone belongs to Cardiovascular; Idelalisib belongs to Oncology.
Why it happens
Strong inhibition of CYP3A4 metabolism of eplerenone.
What to do
Do not combine; use an alternative diuretic or mineralocorticoid antagonist during idelalisib therapy.
What to ask your pharmacist
- Is there an alternative to one of these two medicines for me?
- If both are essential, who is monitoring me and how often?
- Which symptoms mean I should stop and seek help straight away?
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Other interactions of Eplerenone
- Amiloride + Eplerenone Contraindicated
- Atazanavir + Eplerenone Contraindicated
- Clarithromycin + Eplerenone Contraindicated
- Cobicistat + Eplerenone Contraindicated
- Elvitegravir / cobicistat / emtricitabine / tenofovir df + Eplerenone Contraindicated
- Ensitrelvir + Eplerenone Contraindicated
Other interactions of Idelalisib
- Alfuzosin + Idelalisib Contraindicated
- Cisapride + Idelalisib Contraindicated
- Dihydroergotamine + Idelalisib Contraindicated
- Dronedarone + Idelalisib Contraindicated
- Eletriptan + Idelalisib Contraindicated
- Ergotamine + Idelalisib Contraindicated
Frequently asked questions
Can I take Eplerenone with Idelalisib?
MediHelp rates the interaction as contraindicated. Eplerenone and Idelalisib are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Idelalisib is a strong CYP3A inhibitor and is expected to substantially raise eplerenone levels. This increases the risk of severe hyperkalemia, and strong CYP3A4 inhibitors are contraindicated with eplerenone.
How serious is the interaction between Eplerenone and Idelalisib?
MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not combine; use an alternative diuretic or mineralocorticoid antagonist during idelalisib therapy.
What other medicines interact with Eplerenone?
MediHelp also lists interactions of Eplerenone with, for example, Amiloride, Atazanavir, Clarithromycin. The full list is on the Eplerenone page.
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